Scharnhorst, K. P. Optimal distribution of density and dilatation modulus in inhomogeneous layers. (English) Zbl 0441.73038 J. Acoust. Soc. Am. 66, 1526-1535 (1979). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 74J99 Waves in solid mechanics 49J10 Existence theories for free problems in two or more independent variables Keywords:optimal distribution of density; dilatation modulus; inhomogeneous layers; extremals of minimal layer thickness; reflectance modification; minimal sequences PDFBibTeX XMLCite \textit{K. P. Scharnhorst}, J. Acoust. Soc. Am. 66, 1526--1535 (1979; Zbl 0441.73038) Full Text: DOI